2
inauthentic(fake, false, bogus)
2
iniquitous(adjective, wrong, illegal, unlawful, illicit)
2
interdicted
2
minor
2
offensive(adjective, illegal)
2
phony(adjective, fake, false, inferior, bogus)
2
pinchbeck
2
pirate(fake, false, bogus)
2
proscribed
2
put-on(fake, false, bogus)
2
shameful
2
simulated(fake, false, bogus)
2
so-called
2
sophisticated
2
tin
2
tinsel
2
unauthorised
2
unconventional
2
under-the-counter(hidden, sly, illegal, fraudulent, illicit)
2
unethical
11 years ago|17k views|share |citing 
APASmart Define. (2015). illegitimate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/illegitimate/thesaurus/synonyms
ChicagoSmart Define. 2015. "illegitimate thesaurus" https://smartdefine.org/illegitimate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, illegitimate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/illegitimate/thesaurus/synonyms>.
MLASmart Define. "illegitimate thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/illegitimate/thesaurus/synonyms>